const https = require('https');
const {formatTime} = require('./util')
let snowflake = require('./snowflake')
let SQLHelper = require('./SQLHelper')



// SQLHelper('select * from product').then(ret =>{
//     console.log('I am mysql',ret)
// })


module.exports = function(app){
    
    
    function loginRouter(req,res,next){
        let token = req.headers.token
        if(token){
            SQLHelper(`select * from session where id = ${token}`).then(ret => {
                if(ret.length){
                    let session = ret[0]
                    req.session = {
                        userId:session.userId,
                        userName:session.userName
                    }
                    next()
                }else{
                    res.status(406).send({errorMsg:'当前用户未登录'})
                }
            })
        }else{
            res.status(405).send({errorMsg:'缺少token,请先登录'})
        }
    }
    
    app.use('/wx',loginRouter)
    
   
    //微信登陆
    app.get('/wxlogin', (req, res,next) => {
        let code = req.query.code
        let appid = 'wx108d34c1d2400a22'
        let secret = '4ec38f39522a4eaf4403c0aec69274e9'
        https.get(`https://api.weixin.qq.com/sns/jscode2session?appid=${appid}&secret=${secret}&js_code=${code}&grant_type=authorization_code`, (ret) => {
            ret.on('data', (ret) => {
                ret = JSON.parse(ret.toString())
                let openid = ret.openid
                if (!openid) {
                    res.send({ errorMsg: ret.errMsg || '获取openid错误' })
                } else {
                    let queryMember = `select * from member where openId ='${openid}'`
                    SQLHelper(queryMember).then(membersRet => {
                        console.log(membersRet)
                        if (membersRet.length) {//用户已经存在
                            //挂载到req
                            req.member = membersRet[0]
                            next()
                        } else {//用户不存在
                            SQLHelper(`INSERT INTO member(openId) VALUES('${openid}')`).then(newMember => {
                                //
                                SQLHelper(queryMember).then(newMember => {
                                    //挂载到req
                                    req.member = membersRet[0]
                                    next()
                                })
                            })
                        }
                    })
                }
            });
    
        }).on('error', (e) => {
            console.error(e);
        });
    
    
    },(req,res) =>{
        let member = req.member
        let token = snowflake()
        SQLHelper(`
            INSERT INTO session(id,userId,userName,inTime,platform)
            VALUES(${token},'${member._id}','${member.nickName}','${formatTime(new Date())}','wx')
        `).then(ret => {
            res.send({
                nickName:member.nickName,
                token,
                openId:member.openId,
                avatarUrl:member.avatarUrl,
                _id:member._id
            })
        })
    })
    
    //修改用户信息
    app.put('/wx/member', (req, res) => {
        let userInfo = req.body
        SQLHelper(`
        update member
        set nickName = '${userInfo.nickName}',avatarUrl = '${userInfo.avatarUrl}'
        where _id = ${req.session.userId}
        `).then(ret => {
            res.send({})
        })
    })
    
    //获取收货地址列表
    //memberId 用户Id 必填
    app.get('/wx/address', (req, res) => {
        // console.log(req.headers,req.headers.token,tokens[req.headers.token])
        //通过token获取session
        // let session = tokens[req.headers.token]
        // let memberId = session._id
        if (req.session._id) {
            SQLHelper(`
            select * from address where state = 1 AND memberId = ${req.session._id}
            `).then(ret => {
                res.send(ret)
            })
        } else {
            res.send({ errorMsg: '请传入memberId' })
        }
    })
    
    
    //获取地址详情
    //addressId 地址_id 必填
    app.get('/wx/address/detail',(req, res) => {
        if (req.query.addressId) {
            SQLHelper(`
            select * from address where _id = ${req.query.addressId}
            `).then(ret => {
                res.send(ret.length ? ret[0] : {errorMsg:'未获取到地址详情'})
            })
        } else {
            res.send({ errorMsg: '请传入addressId' })
        }
    })
    
    //新增收货地址
    //memberId 用户Id 必填
    //receiver 收货人 必填
    //phone 手机号 必填
    //city 省市区 必填
    //area 详细地址 非必填
    app.post('/wx/address', (req, res) => {
        if (req.body.receiver && req.body.phone && req.body.city) {
            SQLHelper(`
            INSERT INTO address(state,memberId,receiver,phone,city,area)
            VALUES(1,'${req.session._id}','${req.body.receiver}','${req.body.phone}','${req.body.city}','${req.body.area || ''}')
            `).then(ret => {
                res.send(ret)
            })
        } else {
            res.send({ errorMsg: '传入参数错误' })
        }
    })
    
    //修改收货地址
    //addressId  地址_id 必填
    app.put('/wx/address', (req, res) => {
        if (req.body.addressId) {
            //需要修改的项
            let updateKey = ['receiver','phone','city','area']
            let updateValues = []
            for(let i = 0;i<updateKey.length;i++){
                let Key = updateKey[i],value = req.body[Key]
                if(value){
                    updateValues.push(`${Key} = '${value}'`)//判断哪些需要修改
                }
            }
            SQLHelper(`UPDATE address set ${updateValues.join(',')} WHERE _id = ${req.body.addressId}`).then(ret => {
                res.send(ret)
            })
        } else {
            res.send({ errorMsg: '传入参数错误' })
        }
    })
    //修改默认地址
    //传入addressId  主码_id 必填
    //memberId 用户Id 必填
    //isDefault 是否默认 非必填
    app.put('/wx/address/default', (req, res) => {
        let addressId = req.body.addressId,memberId = req.session._id,isDefault = req.body.isDefault == 1 ? 1 : 0
        if (addressId && memberId) {
            if (isDefault == 1) {//设置默认地址
                //取消其他默认地址
                SQLHelper(`
                UPDATE address
                set isDefault = 0
                WHERE isDefault = 1 AND memberId = ${memberId}
                `).then(ret => {
                    SQLHelper(`
                    UPDATE address
                    set isDefault = 1
                    WHERE _id = ${addressId}
                    `).then(ret => {
                        res.send(ret)
                    })
                })
            } else {//取消默认地址
                SQLHelper(`
                        UPDATE address
                        set isDefault = 0
                        WHERE _id = ${addressId}
                        `).then(ret => {
                    res.send(ret)
                })
            }
        } else {
            res.send({ errorMsg: '传入参数错误' })
        }
    })
    
    
    
    //删除地址
    app.delete('/wx/address', (req, res) => {
        let addressId = req.body.addressId 
        if (addressId) {
                    SQLHelper(`
                    UPDATE address
                    set state = 0
                    WHERE _id = ${addressId}
                    `).then(ret => {
                        res.send(ret)
                    })
        } else {
            res.send({ errorMsg: '传入参数错误' })
        }
    })
}




